In January 2026, Bulgaria became the 21^{\text{st}} member of the eurozone. Which of the following European Union countries have <strong>NOT</strong> adopted the euro by January 2026?
- A. Poland, Czech Republic, Hungary ✓
- B. Slovenia, Slovakia, Croatia
- C. Slovenia, Latvia, Estonia
- D. Lithuania, Austria, Belgium
Correct Answer: A. Poland, Czech Republic, Hungary
Explanation
Poland, the Czech Republic, and Hungary are among the European Union member states that maintain their own national currencies and have not yet adopted the euro.